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All results from a given calculation for NH2CH2CH2COOH (β–alanine)

using model chemistry: BLYP/cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at BLYP/cc-pVTZ
 hartrees
Energy at 0K-323.776742
Energy at 298.15K-323.786407
Nuclear repulsion energy244.927925
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at BLYP/cc-pVTZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3466 3456 3.77      
2 A 3388 3378 0.17      
3 A 3072 3063 676.47      
4 A 3031 3022 9.02      
5 A 2995 2986 22.39      
6 A 2944 2935 9.11      
7 A 2927 2918 70.55      
8 A 1751 1746 359.56      
9 A 1612 1607 21.90      
10 A 1478 1474 3.32      
11 A 1440 1436 181.97      
12 A 1431 1427 8.20      
13 A 1372 1368 12.23      
14 A 1324 1320 4.17      
15 A 1276 1273 1.85      
16 A 1249 1246 7.88      
17 A 1170 1166 102.21      
18 A 1115 1112 14.50      
19 A 1021 1018 9.93      
20 A 986 983 4.71      
21 A 957 954 71.14      
22 A 917 914 2.61      
23 A 884 881 23.87      
24 A 821 819 53.66      
25 A 775 773 11.33      
26 A 669 667 8.73      
27 A 550 549 1.94      
28 A 477 475 8.17      
29 A 392 391 9.86      
30 A 316 315 7.69      
31 A 274 273 8.51      
32 A 193 192 4.86      
33 A 84 84 0.38      

Unscaled Zero Point Vibrational Energy (zpe) 23179.6 cm-1
Scaled (by 0.997) Zero Point Vibrational Energy (zpe) 23110.1 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at BLYP/cc-pVTZ
ABC
0.23497 0.08193 0.06468

See section I.F.4 to change rotational constant units
Geometric Data calculated at BLYP/cc-pVTZ

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
N1 1.929 0.589 0.133
C2 1.382 -0.710 -0.356
C3 0.013 -1.002 0.294
C4 -1.099 0.034 0.024
O5 -0.694 1.331 -0.045
O6 -2.266 -0.279 -0.095
H7 2.700 0.907 -0.454
H8 2.295 0.493 1.082
H9 2.062 -1.555 -0.169
H10 1.264 -0.623 -1.443
H11 -0.364 -1.972 -0.043
H12 0.134 -1.075 1.386
H13 0.305 1.356 0.059

Atom - Atom Distances (Å)
  N1 C2 C3 C4 O5 O6 H7 H8 H9 H10 H11 H12 H13
N11.49172.49483.07982.73164.28921.02011.02172.16882.09653.44212.74911.7974
C21.49171.54262.61732.92773.68192.08822.08521.10071.09702.17712.17352.3661
C32.49481.54261.54352.46092.42233.37912.83912.17222.17321.09461.10162.3867
C43.07982.61731.54351.36031.21403.92673.58463.54312.85712.13742.14631.9280
O52.73162.92772.46091.36032.25033.44493.30283.99253.09933.31952.91901.0045
O64.28923.68192.42231.21402.25035.11774.77314.51263.79332.54642.93053.0499
H71.02012.08823.37913.92673.44495.11771.64152.55832.31964.22453.72752.4904
H81.02172.08522.83913.58463.30284.77311.64152.41062.94693.79662.68672.3986
H92.16881.10072.17223.54313.99254.51262.55832.41061.76882.46562.52343.4074
H102.09651.09702.17322.85713.09933.79332.31962.94691.76882.53583.07972.6628
H113.44212.17711.09462.13743.31952.54644.22453.79662.46562.53581.75993.3959
H122.74912.17351.10162.14632.91902.93053.72752.68672.52343.07971.75992.7742
H131.79742.36612.38671.92801.00453.04992.49042.39863.40742.66283.39592.7742

picture of β–alanine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
N1 C2 C3 110.598 N1 C2 H9 112.694
N1 C2 H10 107.180 C2 N1 H7 111.078
C2 N1 H8 110.732 C2 C3 C4 116.010
C2 C3 H11 110.133 C2 C3 H12 109.441
C3 C2 H9 109.392 C3 C2 H10 109.684
C3 C4 O5 115.735 C3 C4 O6 122.458
C4 C3 H11 107.001 C4 C3 H12 107.289
C4 O5 H13 108.297 O5 C4 O6 121.791
H7 N1 H8 107.021 H9 C2 H10 107.185
H11 C3 H12 106.518
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 N -0.289      
2 C -0.096      
3 C -0.196      
4 C 0.256      
5 O -0.252      
6 O -0.279      
7 H 0.139      
8 H 0.132      
9 H 0.088      
10 H 0.104      
11 H 0.102      
12 H 0.097      
13 H 0.195      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  6.290 -1.163 0.536 6.419
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -39.536 1.586 -0.334
y 1.586 -37.891 0.059
z -0.334 0.059 -34.196
Traceless
 xyz
x -3.493 1.586 -0.334
y 1.586 -1.025 0.059
z -0.334 0.059 4.518
Polar
3z2-r29.036
x2-y2-1.645
xy1.586
xz-0.334
yz0.059


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 9.511 0.365 0.104
y 0.365 7.825 -0.017
z 0.104 -0.017 6.209


<r2> (average value of r2) Å2
<r2> 0.000
(<r2>)1/2 0.000